402577480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137869}}^1$

素因数の和:137953

約数の個数: 32

約数和(自身を含む): 918214200

約数和(自身を除く): 515636720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 137869, 275738, 551476, 689345, 1102952, 1378690, 2757380, 5514760, 10064437, 20128874, 40257748, 50322185, 80515496, 100644370, 201288740, 402577480]

約数ペア:

[(1, 402577480), (2, 201288740), (4, 100644370), (5, 80515496), (8, 50322185), (10, 40257748), (20, 20128874), (40, 10064437), (73, 5514760), (146, 2757380), (292, 1378690), (365, 1102952), (584, 689345), (730, 551476), (1460, 275738), (2920, 137869)]